/*
 * Copyright 2017 ZhangJiupeng
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package cc.agentx.util;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStream;
import java.net.URL;

public class FileLoader {
    private FileLoader() {
    }

    public static InputStream load(final String path) {
        URL url = FileLoader.class.getResource(path);
        if (url != null) {
            return FileLoader.class.getResourceAsStream(path);
        } else {
            String dir = System.getProperty("user.dir");
            if (dir == null) {
                return null;
            } else {
                try {
                    return new FileInputStream(new File(dir.replaceAll("\\\\", "//"),
                            path.replaceAll("\\\\", "//")));
                } catch (FileNotFoundException e) {
                    // e.printStackTrace();
                    return null;
                }
            }
        }
    }
}
